diff --git a/regen.pl b/regen.pl
index ce79c0ec6d..0cce6440ff 100644
--- a/regen.pl
+++ b/regen.pl
@@ -21,6 +21,7 @@ foreach my $pl (map {chomp; "regen/$_"} <DATA>) {
     and die "@command failed: $?" 
 }
 
+# embed.pl must be kept last, as other scripts may affect it.
 __END__
 feature.pl
 mg_vtable.pl